Q. 17 K4 and Q3 are graphs with the following structures.
Which one of the following statements is TRUE in relation to these graphs?
(A) K4 is planar while Q3 is not
(B) Both K4 and Q3 are planar
(C) Q3 is planar while K3 is not
(D) Neither K4 nor Q3 is planar
Answer: (B)
Explanation: